Arrange this in alphabetical order of authors' surnames, and then chronologically (earliest publication date first) for each author where more than one work by that author is cited. The author's surname is placed first, followed by initials or first name, and then the year of publication is given. If the list contains more than one item published by the same author in the same year, add lower case letters immediately after the year to distinguish them (. 1983a). These are ordered alphabetically by title disregarding any initial articles ( a , an or the ).
Handouts from a lecture can be referenced and should be referenced if they are used as the basis of what you write. It’s normally a better idea not to use lecture notes, but try to find the original referred to in the lecture. Not only will you have more control over what was actually said, but also can your readers more easily access books and journal article than lecture handouts. The reference to a lecture handout includes the name and initial of the lecturer, the year in bracket, the title of the handout in single speech marks, the words lecture notes distributed in followed by the name of the course in italics, the word at and the name of your institution, the place, and date of the lecture. For example: